IBM 86802SY Hardware Maintenance Manual - Page 158

Table 12. Configurations for Memory Enhancement, Features, BIOS automatically enables ABP, C2C, or ABP

Page 158 highlights

Notes 1. BIOS automatically enables ABP, C2C, or ABP and C2C together, depending on the memory configuration. 2. ABP can function without replacing the terminator board with an optional memory board. C2C provides better performance but requires DIMMs in both memory boards. C2C and ABP together provide the best performance. Table 12. Configurations for Memory Enhancement Features Memory Enhancement Configuration 2-Way ABP Same size memory in banks: 1 and 2 3 and 4 (if populated) 5 and 6 (if populated) 7 and 8 (if populated) 4-Way ABP Same size memory in banks: 1, 2, 3, and 4 5, 6, 7, and 8 (if populated) C2C only Same size memory in banks: 1 and 5 2 and 6 (if populated) 3 and 7 (if populated) 4 and 8 (if populated) C2C and 2-Way ABP Same size memory in banks: 1, 2, 5, and 6 3, 4, 7, and 8 (if populated) C2C and 4-Way ABP Same size memory in all banks 150 Netfinity Server HMM

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Notes
1.
BIOS automatically enables ABP, C2C, or ABP
and C2C together, depending on the memory
configuration.
2.
ABP can function without replacing the terminator
board with an optional memory board.
C2C
provides better performance but requires DIMMs
in both memory boards.
C2C and ABP together
provide the best performance.
Table 12. Configurations for Memory Enhancement
Features
Memory Enhancement
Configuration
2-Way ABP
Same size memory in banks:
1 and 2
3 and 4 (if populated)
5 and 6 (if populated)
7 and 8 (if populated)
4-Way ABP
Same size memory in banks:
1, 2, 3, and 4
5, 6, 7, and 8 (if
populated)
C2C only
Same size memory in banks:
1 and 5
2 and 6 (if populated)
3 and 7 (if populated)
4 and 8 (if populated)
C2C and 2-Way ABP
Same size memory in banks:
1, 2, 5, and 6
3, 4, 7, and 8 (if
populated)
C2C and 4-Way ABP
Same size memory in all
banks
150
Netfinity Server HMM